
\begin{tabular}{@{\extracolsep{0pt}}lD{.}{.}{-3} D{.}{.}{-3} D{.}{.}{-3} D{.}{.}{-3} D{.}{.}{-3} D{.}{.}{-3} } 
\\[-1.8ex]\hline 
\hline \\[-1.8ex] 
Statistic & \multicolumn{1}{c}{N} & \multicolumn{1}{c}{Mean} & \multicolumn{1}{c}{St. Dev.} & \multicolumn{1}{c}{Pctl(25)} & \multicolumn{1}{c}{Median} & \multicolumn{1}{c}{Pctl(75)} \\ 
\hline \\[-1.8ex] 
\multicolumn{7}{l}{\emph{Income characteristics (household):}} \\ 
                \hspace{10mm} $^{1}$Income at start ($y_{pi}$) & 48,718 & 21,998.110 & 24,619.800 & 8,605.846 & 15,614.340 & 27,705.030 \\ 
\hspace{10mm} $^{2}$Log income at start ($y_{pi}$) & 48,718 & 0.000 & 64.037 & -36.127 & 3.836 & 41.595 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
              \hspace{10mm} $^{3}$Change in income ($\Delta \hat{y}_{pi}$) & 48,718 & 0.000 & .570 & -.305 & .013 & .328 \\ 
\hspace{10mm} $\Delta \hat{y}_{pi} >$ 5\% & 22,788 & .444 & .359 & .190 & .352 & .591 \\ 
\hspace{10mm} $\Delta \hat{y}_{pi} <$ -5\% & 21,622 & .468 & .412 & .184 & .353 & .616 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
                \hspace{10mm} $^{4}$Income volatility ($\upsilon_{pi}$) & 48,718 & 23.437 & 17.207 & 12.414 & 18.883 & 28.891 \\ 
\hspace{10mm} Income volatility (Log $\upsilon_{pi}$) & 48,718 & 2.944 & .646 & 2.519 & 2.938 & 3.364 \\ 
\hspace{10mm} High income volatility ($\upsilon_{pi} > 90^{th}$ pct) & 48,718 & .100 & .300 & 0 & 0 & 0 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
             \multicolumn{7}{l}{\emph{Demographic characteristics (head):}} \\ 
             \hspace{10mm} Male & 48,718 & .868 & .338 & 1 & 1 & 1 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
             \hspace{10mm} White & 48,718 & .692 & .462 & 0 & 1 & 1 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
                \hspace{10mm} Less than HS & 48,718 & .183 & .386 & 0 & 0 & 0 \\ 
\hspace{10mm} HS & 48,718 & .355 & .478 & 0 & 0 & 1 \\ 
\hspace{10mm} More than HS & 48,718 & .462 & .499 & 0 & 0 & 1 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
              \hspace{10mm} Older (Age $>$49) & 48,718 & .074 & .262 & 0 & 0 & 0 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
                \multicolumn{7}{l}{\emph{Family characteristics (In a study period):}} \\
                \hspace{10mm} Always single & 48,718 & .173 & .378 & 0 & 0 & 0 \\ 
\hspace{10mm} Marital change & 48,718 & .166 & .372 & 0 & 0 & 0 \\ 
\hspace{10mm} Always married & 48,718 & .661 & .473 & 0 & 1 & 1 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
                \hspace{10mm} Never kids & 48,718 & .422 & .494 & 0 & 0 & 1 \\ 
\hspace{10mm} Sometimes kids & 48,718 & .192 & .394 & 0 & 0 & 0 \\ 
\hspace{10mm} Always kids & 48,718 & .386 & .487 & 0 & 0 & 1 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
               \multicolumn{7}{l}{\emph{Employment characteristics (In a study period):}} \\
               \hspace{10mm} Ever unemployed & 48,718 & .387 & .487 & 0 & 0 & 1 \\ 
\multicolumn{7}{l}{\phantom{empty}} \\ 
              \hspace{10mm} Ever self employed & 48,718 & .274 & .446 & 0 & 0 & 1 \\ 
\hline \\[-1.8ex] 
\hspace{3mm}Total N & \multicolumn{1}{l}{48,718} & & & & \\
\hspace{3mm}Unique N & \multicolumn{1}{l}{6,638} & & & & \\
\hspace{3mm}Avg. study periods per unique N & \multicolumn{1}{l}{11.94} & & & & \\
\hline \\[-1.8ex]

\multicolumn{7}{l}{$^1$ The average of the first two-observations in a study period.  Income is family size adjusted.} \\
\multicolumn{7}{l}{$^2$ The residual of log income after taking out year fixed effects in a given study period for the first year of a given study period.} \\
\multicolumn{7}{l}{$^3$ Where $\Delta \hat{y}_{pi} = \hat{y}_{pi,t=N} - \hat{y}_{pi,t=1}$ if $\hat{y}_{pit} = \beta_{0i} + \beta_{1i} T$} \\
\multicolumn{7}{l}{$^4$ Where $\upsilon_{pi} = \text{\emph{Standard deviation }} (\mu_{pit})$ if $\text{log } y_{pit} = \beta_{0pi} + \beta_{1pi} T + \mu_{pit}$}
\end{tabular} 
